In a new interview with The Wall Street Journal following Apple's financial results for the first calendar quarter and second fiscal quarter of 2014, CEO Tim Cook stated that the company's stock was"undervalued" and that the expansion of the share buyback program"shows how much confidence [Apple] has in the future of the company." Cook noted that the iPhone was an area of strength for the company, as Apple sold 43.7 million units last quarter which surpassed analysts' expectations of 38.2 million units, and was up from 37.4 million units in the year-ago quarte